@elastic/eui
Version:
Elastic UI Component Library
134 lines (133 loc) • 6.11 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.EuiHighlight = void 0;
var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _mark = require("../mark");
var _react2 = require("@emotion/react");
var _excluded = ["children", "className", "search", "strict", "highlightAll", "hasScreenReaderHelpText"];
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
var highlight = function highlight(searchSubject, searchValue, isStrict, highlightAll, hasScreenReaderHelpText) {
if (!searchValue) {
return searchSubject;
}
if (!searchSubject) {
return null;
}
if (highlightAll) {
var chunks = getHightlightWords(searchSubject, searchValue, isStrict);
return (0, _react2.jsx)(_react.Fragment, null, chunks.map(function (chunk) {
var end = chunk.end,
highlight = chunk.highlight,
start = chunk.start;
var value = searchSubject.substr(start, end - start);
if (highlight) {
return (0, _react2.jsx)(_mark.EuiMark, {
key: start,
hasScreenReaderHelpText: hasScreenReaderHelpText
}, value);
}
return value;
}));
}
var normalizedSearchSubject = isStrict ? searchSubject : searchSubject.toLowerCase();
var normalizedSearchValue = isStrict ? searchValue : searchValue.toLowerCase();
var indexOfMatch = normalizedSearchSubject.indexOf(normalizedSearchValue);
if (indexOfMatch === -1) {
return searchSubject;
}
var preMatch = searchSubject.substr(0, indexOfMatch);
var match = searchSubject.substr(indexOfMatch, searchValue.length);
var postMatch = searchSubject.substr(indexOfMatch + searchValue.length);
return (0, _react2.jsx)(_react.Fragment, null, preMatch, (0, _react2.jsx)(_mark.EuiMark, {
hasScreenReaderHelpText: hasScreenReaderHelpText
}, match), postMatch);
};
var getHightlightWords = function getHightlightWords(searchSubject, searchValue, isStrict) {
var regex = new RegExp(searchValue, isStrict ? 'g' : 'gi');
var matches = [];
var match;
while ((match = regex.exec(searchSubject)) !== null) {
matches.push({
start: match.index,
end: (match.index || 0) + match[0].length
});
}
return fillInChunks(matches, searchSubject.length);
};
var fillInChunks = function fillInChunks(chunksToHighlight, totalLength) {
var allChunks = [];
var append = function append(start, end, highlight) {
if (end - start > 0) {
allChunks.push({
start: start,
end: end,
highlight: highlight
});
}
};
if (chunksToHighlight.length === 0) {
append(0, totalLength, false);
} else {
var lastIndex = 0;
chunksToHighlight.forEach(function (chunk) {
append(lastIndex, chunk.start, false);
append(chunk.start, chunk.end, true);
lastIndex = chunk.end;
});
append(lastIndex, totalLength, false);
}
return allChunks;
};
var EuiHighlight = function EuiHighlight(_ref) {
var children = _ref.children,
className = _ref.className,
search = _ref.search,
_ref$strict = _ref.strict,
strict = _ref$strict === void 0 ? false : _ref$strict,
_ref$highlightAll = _ref.highlightAll,
highlightAll = _ref$highlightAll === void 0 ? false : _ref$highlightAll,
_ref$hasScreenReaderH = _ref.hasScreenReaderHelpText,
hasScreenReaderHelpText = _ref$hasScreenReaderH === void 0 ? true : _ref$hasScreenReaderH,
rest = (0, _objectWithoutProperties2.default)(_ref, _excluded);
return (0, _react2.jsx)("span", (0, _extends2.default)({
className: className
}, rest), highlight(children, search, strict, highlightAll, hasScreenReaderHelpText));
};
exports.EuiHighlight = EuiHighlight;
EuiHighlight.propTypes = {
className: _propTypes.default.string,
"aria-label": _propTypes.default.string,
"data-test-subj": _propTypes.default.string,
css: _propTypes.default.any,
/**
* string to highlight as this component's content
*/
children: _propTypes.default.string.isRequired,
/**
* What to search for
*/
search: _propTypes.default.string.isRequired,
/**
* Should the search be strict or not
*/
strict: _propTypes.default.bool,
/**
* Should highlight all matches
*/
highlightAll: _propTypes.default.bool
};